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Formation of fine aggregate structure by solid-state displacement reaction of Ti with CoO or NiO. CoO oyobi NiO to Ti kan no koso chikan hanno ni yoru bisai fukugo soshiki no seisei

Journal Article:

Abstract

As a result of search for systems which have aggregate structures, the displacement reaction products of Ti with CoO or NiO are found to have aggregate structures in which the produced oxides and metals are entangled with each other. The displacement reaction of Ti with CoO or NiO is investigated at the temperature of 1273K. In the reaction of either couple, aggregate products are produced, and reacted layer is observed in the TiO2 matrix wherein Co or Ni phases are three dimensionally entangled in finely dispersed state of micron order. 2 layers of cavitated and dense TiO2 layers are found in the reacted layer. The thicknesses of the reacted layer are not constant according to locations, but thick portions are grown obeying the parabolic rate law. As a result of the study on the possibility of fabricating cermet by the reaction between powders, finely mixed characteristic structures are found to be easily obtained using systems which can produce aggregate structures. 24 refs., 9 figs.
Authors:
Taimatsu, H; Kaneko, H; [1]  Wada, K [2] 
  1. Akita Univ., Akita (Japan). Mining College
  2. Akita Univ., Akita (Japan). Graduate School
Publication Date:
Sep 20, 1992
Product Type:
Journal Article
Reference Number:
NEDO-92-913048; EDB-93-031110
Resource Relation:
Journal Name: Nippon Kinzoku Gakkaishi (Journal of the Japan Institute of Metals); (Japan); Journal Volume: 56:9
Subject:
36 MATERIALS SCIENCE; COBALT OXIDES; CHEMICAL REACTIONS; SOLIDS; NICKEL OXIDES; TITANIUM; AGGLOMERATION; CERMETS; MICROSTRUCTURE; SYNTHESIS; CHALCOGENIDES; COBALT COMPOUNDS; COMPOSITE MATERIALS; CRYSTAL STRUCTURE; ELEMENTS; MATERIALS; METALS; NICKEL COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; TRANSITION ELEMENT COMPOUNDS; TRANSITION ELEMENTS; 360201* - Ceramics, Cermets, & Refractories- Preparation & Fabrication
OSTI ID:
6926416
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Journal ID: ISSN 0021-4876; CODEN: NIKGAV
Submitting Site:
NEDO
Size:
Pages: 1043-1049
Announcement Date:

Journal Article:

Citation Formats

Taimatsu, H, Kaneko, H, and Wada, K. Formation of fine aggregate structure by solid-state displacement reaction of Ti with CoO or NiO. CoO oyobi NiO to Ti kan no koso chikan hanno ni yoru bisai fukugo soshiki no seisei. Japan: N. p., 1992. Web.
Taimatsu, H, Kaneko, H, & Wada, K. Formation of fine aggregate structure by solid-state displacement reaction of Ti with CoO or NiO. CoO oyobi NiO to Ti kan no koso chikan hanno ni yoru bisai fukugo soshiki no seisei. Japan.
Taimatsu, H, Kaneko, H, and Wada, K. 1992. "Formation of fine aggregate structure by solid-state displacement reaction of Ti with CoO or NiO. CoO oyobi NiO to Ti kan no koso chikan hanno ni yoru bisai fukugo soshiki no seisei." Japan.
@misc{etde_6926416,
title = {Formation of fine aggregate structure by solid-state displacement reaction of Ti with CoO or NiO. CoO oyobi NiO to Ti kan no koso chikan hanno ni yoru bisai fukugo soshiki no seisei}
author = {Taimatsu, H, Kaneko, H, and Wada, K}
abstractNote = {As a result of search for systems which have aggregate structures, the displacement reaction products of Ti with CoO or NiO are found to have aggregate structures in which the produced oxides and metals are entangled with each other. The displacement reaction of Ti with CoO or NiO is investigated at the temperature of 1273K. In the reaction of either couple, aggregate products are produced, and reacted layer is observed in the TiO2 matrix wherein Co or Ni phases are three dimensionally entangled in finely dispersed state of micron order. 2 layers of cavitated and dense TiO2 layers are found in the reacted layer. The thicknesses of the reacted layer are not constant according to locations, but thick portions are grown obeying the parabolic rate law. As a result of the study on the possibility of fabricating cermet by the reaction between powders, finely mixed characteristic structures are found to be easily obtained using systems which can produce aggregate structures. 24 refs., 9 figs.}
journal = {Nippon Kinzoku Gakkaishi (Journal of the Japan Institute of Metals); (Japan)}
volume = {56:9}
journal type = {AC}
place = {Japan}
year = {1992}
month = {Sep}
}